Lamella device for sealing a chamber



FIG. 1 is an isometric view of the lamella, including a support block, a thin plate extending therefrom faced by a sealing membrane, and a plate retainer;

FIG. 2 is a rear elevational view of the lamella of FIG. 1;

FIG. 3 is a plan view of the top of the lamella of FIG. 1;

FIG. 4 is a front elevational view of the lamella of FIG. 1;

FIG. 5 is a plan view of the bottom of the lamella of FIG. 1; and,

FIG. 6 is a right side elevational view of the lamella, the left side being a mirror image of FIG. 6. 

The ornamental design for a lamella device for sealing a chamber, as shown and described. 